Multiplication and Inverse Matrices

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Taught by OCW
  • Currently 4.0/5 Stars.
5575 views | 2 ratings
Lesson Description:

Multiplication and Inverse Matrices -- Lecture #3. How to multiply matrices and find and use inverse matrices to solve systems of linear equations.

Gilbert Strang, 18.06 Linear Algebra, Spring 2005. (Massachusetts Institute of Technology: MIT OpenCourseWare), (Accessed November 17, 2008). License: Creative Commons BY-NC-SA. More info at:

Questions answered by this video:
  • How do you multiply matrices?
  • What is an inverse matrix?
  • How do you find an inverse matrix?
  • What is a nonsingular matrix?
  • What is a singular matrix?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video explains very well (though at times it can be difficult to follow) how to use inverse matrices to solve systems of equations, and why this works. Also, multiplying matrices is explained.